exam_cra: explicitly #include <limits>. This should make g++ 4.3 happy.

diff --git a/check/exam_cra.cpp b/check/exam_cra.cpp
index 11e1ab700405076a739944652b68063ae924fbf9..2c6163eef65c9e410e13bc8fa776bf4d0d96d3c5 100644 (file)
--- a/check/exam_cra.cpp
+++ b/check/exam_cra.cpp
@@ -7,6 +7,7 @@
 #include <map>
 #include <vector>
 #include <stdexcept>
+#include <limits>
 using namespace cln;
 using namespace std;